Odpowiedzi

2010-04-07T18:30:29+02:00
A=2b-3c
a+3c=2b
3c=(2b-a)/3
2010-04-07T18:30:31+02:00
A=2b-3c
3c=2b-a
c=(2b-a)/3
2010-04-07T18:30:58+02:00
A = 2b - 3c
3c = 2b - a
c = ( 2b - a ) ÷ 3